Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8948440 | Electro-acoustic transducer | — | 2015-02-03 |
| 8837765 | Tunable earphone | — | 2014-09-16 |
| D681714 | Projector docking for mobile phone | — | 2013-05-07 |
| 8422717 | Adjustable audio headphone | Chun-Hung Chen, Meng-ching Cho, Mu-Tsun Tseng | 2013-04-16 |
| 8406448 | Earphone with rotatable earphone cap | Chun-Hung Chen, Mu-Tsun Tseng | 2013-03-26 |
| D672333 | Speaker | Sheng-shan Chen | 2012-12-11 |
| 8311258 | Headset | Wen-Chin Chang | 2012-11-13 |
| 8295531 | Headphone | — | 2012-10-23 |
| 8107663 | Headset | — | 2012-01-31 |